close

轉自 http://hc.cumi.co/web-examples/php-verify-2

--

 

<?php
//驗證信箱
function isEmail($str){
    if (filter_var($str, FILTER_VALIDATE_EMAIL)) {
        return true;    // valid
    } else {
        return false;   // invalid
    }
}
 
//驗證IPv4
function isIPv4($str){
    if (filter_var($str, FILTER_VALIDATE_IP)) {
        return true;    // valid
    } else {
        return false;   // invalid
    }
}
 
//驗證台灣手機號碼
function isPhone($str) {
    if (preg_match("/^09[0-9]{2}-[0-9]{3}-[0-9]{3}$/", $str)) {
        return true;    // 09xx-xxx-xxx
    } else if(preg_match("/^09[0-9]{2}-[0-9]{6}$/", $str)) {
        return true;    // 09xx-xxxxxx
    } else if(preg_match("/^09[0-9]{8}$/", $str)) {
        return true;    // 09xxxxxxxx
    } else {
        return false;
    }
}
 
//驗證台灣身份證字號
function isTWID($id){
    $id=strtoupper($id);
    $d0=strlen($id);
    if ($d0 <= 0) {return false;}
    if ($d0 > 10) {return false;}
    if ($d0 < 10 && $d0 > 0) {return false;}
    $d1=substr($id,0,1);
    $ds=ord($d1);
    if ($ds > 90 || $ds < 65) {return false;}
    $d2=substr($id,1,1);
    if($d2!="1" && $d2!="2") {return false;}
    for ($i=1;$i<10;$i++) {
        $d3=substr($id,$i,1);
        $ds=ord($d3);
        if ($ds > 57 || $ds < 48) {
            $n=$i+1;
            return false;
            break;
        }
    }
    $num=array("A" => "10","B" => "11","C" => "12","D" => "13","E" => "14",
        "F" => "15","G" => "16","H" => "17","J" => "18","K" => "19","L" => "20",
        "M" => "21","N" => "22","P" => "23","Q" => "24","R" => "25","S" => "26",
        "T" => "27","U" => "28","V" => "29","X" => "30","Y" => "31","W" => "32",
        "Z" => "33","I" => "34","O" => "35");
    $n1=substr($num[$d1],0,1)+(substr($num[$d1],1,1)*9);
    $n2=0;
    for ($j=1;$j<9;$j++) {
        $d4=substr($id,$j,1);
        $n2=$n2+$d4*(9-$j);
    }
    $n3=$n1+$n2+substr($id,9,1);
    if(($n3 % 10)!=0) {return false;}
    return true;
}
?>

 

--

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